What does BItcoin halving mean? Bitcoin halving is considered to be the most important event in the crypto calendar, the Bitcoin halving is a process whereby the Bitcoin mining reward is cut in half to reduce the number of new coins entering the network. Cryptocurrencies like Bitcoin that are based on a Proof-of-Work (PoW) algorithm are produced by miner who are people with specially equipped computers that solve mathematical problems to create new blocks, release new coins into circulation, ...